EP3158541A1 - Elektronische zugangssteuerungsvorrichtung und zugangssteuerungsverfahren - Google Patents

Elektronische zugangssteuerungsvorrichtung und zugangssteuerungsverfahren

Info

Publication number
EP3158541A1
EP3158541A1 EP15730962.6A EP15730962A EP3158541A1 EP 3158541 A1 EP3158541 A1 EP 3158541A1 EP 15730962 A EP15730962 A EP 15730962A EP 3158541 A1 EP3158541 A1 EP 3158541A1
Authority
EP
European Patent Office
Prior art keywords
mobile device
access control
access
control device
confirmation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15730962.6A
Other languages
English (en)
French (fr)
Other versions
EP3158541B1 (de
Inventor
Marcel PLÜSS
Paul Studerus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Legic Identsystems AG
Original Assignee
Legic Identsystems AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Legic Identsystems AG filed Critical Legic Identsystems AG
Priority to EP23197687.9A priority Critical patent/EP4276779A3/de
Publication of EP3158541A1 publication Critical patent/EP3158541A1/de
Application granted granted Critical
Publication of EP3158541B1 publication Critical patent/EP3158541B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/16—Implementing security features at a particular protocol layer
    • H04L63/166—Implementing security features at a particular protocol layer at the transport layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00317—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks keyless data carrier having only one limited data transmission range
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00341—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks keyless data carrier having more than one limited data transmission ranges
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00341—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks keyless data carrier having more than one limited data transmission ranges
    • G07C2009/00357—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks keyless data carrier having more than one limited data transmission ranges and the lock having more than one limited data transmission ranges
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00793—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by Hertzian waves
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle
    • G07C2209/64—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle using a proximity sensor
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00674—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons
    • G07C9/0069—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons actuated in a predetermined sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
    • H04W12/041—Key generation or derivation

Definitions

  • the present invention relates to an electronic access control device and an access control method. Specifically, the present invention relates to an electronic access control device comprising a radio communication module for a direct wireless data exchange with a mobile device, and a controller connected to the wireless radio communication module for generating an access control signal using an access key received from the mobile device.
  • access control systems have been used in connection with passive RFID transponders (Radio Frequency Identifier). These access control systems included RFID readers for reading in a wireless fashion access rights or at least user identifiers from RFID transponders to control access to an access controlled area, such as a building or a room, or to access controlled objects, such as goods in a vending machine, etc.
  • RFID readers for reading in a wireless fashion access rights or at least user identifiers from RFID transponders to control access to an access controlled area, such as a building or a room, or to access controlled objects, such as goods in a vending machine, etc.
  • NFC interfaces Near Field Communication
  • NFC interface With an NFC interface, it is possible to tie access control to the physical presence of the mobile phone in an area that is near a corresponding NFC interface of an access control device, e.g. attached to or close to a door or a gate.
  • the short communication range of NFC interfaces requires that a user's mobile phone does not have to great a distance from the door or gate that is to be accessed, making it unlikely that an unauthorized person gets given access erroneously on the basis of access rights stored on the rightful user's mobile phone, as long as the mobile phone is in the possession of the rightful user.
  • NFC interface not all types and brands of mobile phones are equipped with an NFC interface or other RFID-based communication capabilities.
  • radio-based communication modules for establishing local or direct wireless communication links.
  • radio-based communication modules include WLAN (Wireless Local Area Network) and Bluetooth communication interfaces which have a much larger communication range than NFC interfaces, e.g. ten to a hundred meters.
  • WLAN Wireless Local Area Network
  • Bluetooth communication interfaces which have a much larger communication range than NFC interfaces, e.g. ten to a hundred meters.
  • FR 2981 823 describes a method for authenticating identification device with respect to an actuator device integrated in car for carrying out car a start-up operation.
  • the identification device us authenticated by exchanging authentication data between the identification device and the actuator device.
  • a first part of the exchanging authentication data is communicated using Bluetooth, while a second part of the authentication data is exchanged through magnetic induction.
  • the two parts of authentication data are aggregated.
  • US 201 2/1 541 1 5 describes a method for controlling access in a location tracking system.
  • a mobile tag When a mobile tag enters a room, it carries out location update procedures and becomes linked to a node of the location tracking system and updates its location in the room.
  • a location tracking apparatus of the location tracking system transmits an activation signal to an access control apparatus in the room to initiate establishment of a communication connection with the mobile tag so as to negotiate about access rights of the mobile tag.
  • the access control apparatus may be provided with a proximity sensor which, subsequently to negotiating the access rights, detects the close proximity of the mobile tag, before the access control apparatus actually grants or denies access.
  • US 2014/049361 describes an electronic system which includes a mobile device that communicates with a reader device associated with an electronic lock.
  • the mobile device and the reader device communicate with each other, e.g. via Bluetooth, and exchange credentials, secure data, and location information.
  • the electronic lock may also include a close proximity range capability which automatically unlocks the electronic lock when a mobile device with appropriate credentials is within the close proximity range.
  • An electronic access control device comprises a radio communication module configured to perform a wireless data exchange with a mobile device over a direct wireless communication link between the radio communication module and the mobile device.
  • the electronic access control device further comprises an access confirmation module, stored in the electronic access control device.
  • the access confirmation module is executable on a processor of the mobile device and configured to control the processor of the mobile device to receive from a user of the mobile device a confirmation instruction and, responsive to the confirmation instruction, to transmit to the radio communication module of the access control device a confirmation message.
  • the electronic access control device further comprises a controller connected to the radio communication module and configured to control the radio communication module to transmit the access confirmation module via the direct wireless communication link to the mobile device.
  • the controller is further configured, upon reception of a confirmation message from the mobile device via the direct wireless communication link, to generate an access control signal.
  • the access confirmation module is further configured to control the processor of the mobile device to include in the confirmation message an access key, and the controller is further configured to generate the access control signal using the access key included in the confirmation message.
  • the controller is further configured to check whether a signal strength of the mobile device is above a signal strength threshold indicative of the mobile device being located within a defined close range of distance from the access control device, and to transfer the access confirmation module via the direct wireless communication link to the mobile device, if the signal strength of the mobile device is above the signal strength threshold.
  • the controller is further configured to control the radio communication module to transmit to the mobile device the executable access confirmation module configured to control the processor of the mobile device to receive the confirmation instruction from the user of the mobile device through a finger print sensor of the mobile device and/or a graphical user interface of the mobile device.
  • the controller is further configured to control the radio communication module to transmit to the mobile device the executable access confirmation module configured to control the processor of the mobile device to verify authorization information entered by the user and/or to verify a finger print entered by the user through a finger print sensor of the mobile device, and, upon affirmative verification, to generate an affirmative confirmation message which includes the access key.
  • the radio communication module is configured to perform the wireless data exchange with the mobile device in a first radio frequency band and the electronic access control device further comprises a proximity detector configured to detect a presence of the mobile device in defined proximity of the electronic access control device using a radio frequency in a second radio frequency band, different from the first radio frequency band.
  • the controller is connected to the proximity detector and further configured to control the radio communication module to establish the direct wireless communication link with the mobile device, upon detection of the mobile device by the proximity detector in the defined proximity of the electronic access control device.
  • the radio communication module is configured to perform the wireless data exchange with the mobile device over a short distance communication link of several meters, particularly over a distance of up to ten meters
  • the proximity detector is configured to detect the presence of the mobile device in close proximity of the electronic access control device of a few centimeters, particularly within a distance of up to ten centimeters.
  • the proximity detector comprises an RHD reader and is configured to detect the presence of the mobile device by emitting an electromagnetic field pulse, detecting a return signal during emission of the electromagnetic field pulse, and using the return signal to detect the presence of the mobile device.
  • the radio communication module comprises a Bluetooth transceiver
  • the controller is further configured to control the Bluetooth transceiver to establish the direct wireless communication link with the mobile device by performing a Bluetooth connection process.
  • the radio communication module comprises a Bluetooth Low Energy transceiver.
  • the access control device further comprises an electronic lock
  • the controller is connected to the electronic lock and further configured to supply the access control signal to the electronic lock for controlling the electronic lock to perform an unlock function.
  • the present invention also relates to a mobile device which comprises a radio communication module configured to perform a wireless data exchange with an access control device over a direct wireless communication link between the radio communication module and the access control device.
  • the mobile device further comprises a processor connected to the radio communication module and configured to control the radio communication module to receive from the access control device an executable access confirmation module via the direct wireless communication link, to execute the access confirmation module.
  • the processor of the mobile device receives from a user of the mobile device a confirmation instruction and, responsive to the confirmation instruction, transmits a confirmation message via the direct wireless communication link to the access control device.
  • the confirmation message enables the access control device to generate an access control signal.
  • the access confirmation module is further configured to control the processor of the mobile device to include in the confirmation message an access key, enabling the access control device to generate an access control signal using the access key included in the confirmation message.
  • the present invention also relates to an access control method.
  • the access control method comprises controlling by a controller of an electronic access control device a radio communication module of the electronic access control device to establish a direct wireless communication link with a mobile device for a wireless data exchange.
  • the access control method further comprises transmitting an executable access confirmation module from the access control device via the direct wireless communication link to the mobile device.
  • the access control method further comprises executing the executable access confirmation module by a processor of the mobile device.
  • the executable access confirmation module controls the processor of the mobile device such that the processor receives from a user of the mobile device a confirmation instruction, and, responsive to the confirmation instruction, generates a confirmation message.
  • the confirmation message includes an access key stored in the mobile device.
  • the executable access confirmation module further controls the processor of the mobile device such that the processor transmits the confirmation message via the direct wireless communication link to the radio communication module of the access control device, thereby enabling the access control device to generate an access control signal using the access key.
  • the method further comprises the access confirmation module controlling the processor of the mobile device such that the processor includes in the confirmation message an access key stored in the mobile device, enabling the access control device to generate the access control signal using the access key.
  • the method further comprises the controller of the electronic access control device checking whether a signal strength of the mobile device is above a signal strength threshold indicative of the mobile device being located within a defined close range of distance from the access control device, and transferring the access confirmation module via the direct wireless communication link to the mobile device, if the signal strength of the mobile device is above the signal strength threshold.
  • the signal strength of the mobile device is measured in the electronic access control device or the mobile device.
  • the method further comprises detecting by a proximity detector of the electronic access control device a presence of the mobile device in defined proximity of the electronic access control device, using a radio frequency in a second radio frequency band.
  • the controller of the electronic access control device controls the radio communication module of the electronic access control device to establish the direct wireless communication link (3) with the mobile device (2) in a first radio frequency band different than the second radio frequency band, upon detection of the mobile device ( 2) by the proximity detector ( 1 3 ) in the defined proximity (P) of the electronic access control device ( 1 ) .
  • Figure 1 shows a block diagram illustrating schematically an electronic access control device with a radio communication module and a radio based proximity detector
  • Figure 2 shows a block diagram illustrating schematically an access control system with an electronic access control device, an access rights server, and mobile device;
  • Figure 3 shows a flow diagram illustrating an exemplary sequence of steps for electronic access control
  • Figure 4 shows a flow diagram illustrating an exemplary sequence of steps for establishing a direct wireless communication link between an electronic access control device and a mobile device;
  • Figure 5 shows a flow diagram illustrating an exemplary sequence of steps for transmitting an access key from a mobile device to an electronic access control device.
  • reference numeral 1 refers to an electronic access control device.
  • the electronic access control device 1 comprises one or more electronic circuits and modules powered by one or more batteries or an external power supply connected to the device.
  • the electronic access control device 1 comprises an electronic/electric lock 1 4 for locking and unlocking an entrance, such as a door, a gate or the like, to an access controlled area, such as a building, a car, or a room. Responsive to an access control signal, the electronic lock 1 drives one or more bars or bolts to lock or unlock an entrance to the access controlled area.
  • the electronic lock 14 is implemented together with the remaining components of the electronic access control device 1 in a common housing or in separate housings.
  • the electronic access control device 1 or the electronic lock 1 4 are configured accordingly to block or grant access, e.g. to unlock or deliver objects in or from a vending machine.
  • the electronic access control device 1 is not configured to lock and unlock an entrance but is configured to control user access to areas, objects, or services that traditionally required a ticket, e.g. public transportation, such as a train, tram, boat, ski lift, etc., or to events , such as performances in theatres, cinemas, sports arenas, etc., or access to objects supplied by a vending machine, such as a food, drink, or snack dispenser.
  • a user's respective access rights are represented by an electronic (cryptographic) access key, an electronic ticket, and/or electronic funds or vouchers.
  • the electronic access control device 1 further comprises a radio communication module 1 1 , a controller 1 2, and a radio based proximity detector 1 3.
  • the controller is electrically connected to the communication module 1 1 and the radio based proximity detector 1 3.
  • the radio communication module 1 1 is configured to perform a wireless data exchange with a mobile device 2 over a direct wireless communication link 3 between the radio communication module 1 1 and the mobile device 2.
  • the term "direct” is to indicate that the wireless communication link 3 includes no intermediate components, such as routers, repeaters, gateways, wire networks, base stations, etc., between the radio communication module 1 1 and the mobile device 2.
  • the radio communication module 1 1 is configured to perform the wireless data exchange over a short distance S of several meters, particularly over a distance of up to five, ten, or twenty meters.
  • the radio communication module 1 1 comprises a Bluetooth transceiver, specifically a Low Energy Bluetooth transceiver.
  • the radio communication module 1 1 is configured to operate in a frequency band from 2.4 to 2.485 GHz, using (Ultra High Frequency UHF) microwaves.
  • the radio communication module 1 1 comprises a WLAN communication module based on IEEE 802.1 1 standards, e.g. operating in a frequency band from 2.4 GHz to 5 GHz.
  • the controller 1 2 comprises a programmable microprocessor with computer program code, a field programmable gate array, an application specific integrated circuit, and/or another electronic circuit configured to execute various functions, as described later in more detail.
  • the radio based proximity detector 1 3 is configured to detect the presence of a mobile device 2 in a defined proximity P of the electronic access control device 1 , specifically, in close proximity P within a distance range of up to five, ten, or fifteen centimeters, e.g. adjustable by setting a sensitivity parameter in the access control device 1.
  • the proximity detector 1 3 is configured to detect the presence of a mobile device 2 by emitting an electromagnetic field pulse 1 0, by detecting a return signal during emission of the electromagnetic field pulse 1 0, and using the return signal to detect the presence of the mobile device 2.
  • the proximity detector 1 3 is configured to detect the presence of a mobile device 2 by detecting a change in the electromagnetic field 1 0 emitted by the proximity detector 1 3 as caused by the presence of the mobile device 2.
  • the proximity detector 1 3 measures the return signal on the antenna 1 3 1 while it emits a defined electromagnetic field pulse 1 0, and determines in the return signal an attenuation, amplification, and/or shift in frequency as disclosed in patents EP 1 723 575 or EP 2 437 403 in the name of the applicant, the full contents of which being incorporated herein by reference.
  • the proximity detector 1 3 comprises an RFID reader ( Radio Frequency Identifier) , e.g. an RFID reader in accordance with ISO 1 8092, ISO 2 1 481 , ISO 1 5693, and/or ISO 1 4443.
  • the proximity detector 1 3 is configured to operate at a carrier frequency of an RFID system, e.g. 6.78MHz, 1 3.56M Hz, or 27. 1 2M Hz (or another multiple of 1 3.56MHz) , using ( High Frequency HF) radio waves.
  • the radio based proximity detector 1 3 uses a different, i.e. a lower, frequency band than the radio communication module 1 1 .
  • the radio based proximity detector 1 3 and the radio communication module 1 1 are two distinct (radio based communication) modules of the access control device 1 , each having its own transceiver circuit and its own antenna 1 1 1 , 1 3 1 .
  • the radio based proximity detector 1 3 and the radio communication module 1 1 are two different and separate communication units, e.g. each implemented in a different integrated circuit (chip), and provide the access control device 2 with two different and separate communication channels.
  • the mobile device 2 is implemented as a mobile radio telephone (i.e.
  • the mobile device 2 comprises a radio communication module 21 and a programmable processor 22 connected thereto.
  • the radio communication module 21 is configured to exchange data with the radio communication module 1 1 of the access control device 1 via the direct wireless communication link 3.
  • the access control system 1 00 comprises one or more electronic access control devices 1 and an access rights server 5 connected to the electronic access control devices 1 via a communication network 4.
  • the communication network 4 includes a LAN (Local Area Network), another wired network, a WLAN (Wireless LAN), and/or another mobile radio network, such as a GSM (Global System for Mobile communication) or a UMTS network (Universal Mobile Telephone System), and may include the Internet.
  • LAN Local Area Network
  • WLAN Wireless LAN
  • GSM Global System for Mobile communication
  • UMTS Universal Mobile Telephone System
  • the access rights server 5 comprises one or more operable computers with one or more processors configured to transmit to the mobile devices 2 access keys and to transmit to the electronic access control devices 1 access keys and/or decryption keys.
  • the access rights server 5 or its computers/processors, respectively are further configured to transmit to the mobile devices 2 and/or the electronic access control devices 1 an executable access confirmation module 23.
  • the executable access confirmation module 23 is transmitted to the mobile devices 2 by an application server 7 via a telecommunications network 6 that includes a mobile radio network as mentioned above.
  • the executable access confirmation module 23 comprises computer program code configured to control a processor of the respective mobile device 2 such that it executes various functions as described later in more detail.
  • the executable access confirmation module 23 is implemented as a so called applet and comprises interpretable computer program code for a virtual machine, e.g. Java code configured to run on a Java virtual machine (Java is a registered trademark by Sun Microsystems, Inc. ).
  • the access right server 5 transfers to the mobile device 2 an access key for accessing an area with controlled access, controlled by the access control device 1 .
  • the access key is transferred securely, e.g. via Transport Layer Security (TLS), Secure Sockets Layer (SSL), or other cryptographic protocols for secure data communication.
  • the access key is transferred to the mobile device 2 via an NFC interface, a Bluetooth interface, or a Bluetooth beacon.
  • an NFC terminal is installed on a counter or desk of the hotel reception, or the Bluetooth terminal (interface) or Bluetooth beacon is installed in the reception area of the hotel, respectively.
  • the access right server 5 further transfers the access key or cryptographic elements for verifying the access key to the respective access control device 1 .
  • the access key or the cryptographic elements, respectively, are stored in the access control device 1 prior to being transferred to the mobile device 2.
  • the access key is an encrypted secret (e.g. a secret access authorization code) and the access control device 1 uses a secret decryption key to verify the secret.
  • the access right server 5 further transfers to the mobile device 2 the executable access confirmation module 23 mentioned above.
  • the access key is transferred to the mobile device as part of the executable access confirmation module 23.
  • the access key and, if applicable, the executable access confirmation module 23 are transmitted to the mobile devices 2 during the checking in procedure at the reception.
  • step S 1 the access control device 1 or its proximity detector 1 3 , respectively, detects the presence of the mobile device 2 in defined (close) proximity P of the access control device 1 .
  • the user of the mobile device 2 physically moves and places the mobile device 2 into the defined (close) proximity range P of the access control device 2 or the antenna 1 3 1 of its proximity detector 1 3, respectively.
  • step S2 upon detection of the mobile device 2 in defined (close) proximity P to the access control device 1 or its proximity detector 1 3, respectively, the controller 1 2 of the access control device 1 controls the radio communication module 1 1 to establish a direct wireless communication link 3 with the mobile device 2.
  • step S21 the access control device 1 or its controller 1 2, respectively, control the radio communication module 1 1 to act as a master for establishing the direct wireless communication link 3.
  • the controller 1 2 sets the Bluetooth transceiver of the radio communication module 1 1 in Bluetooth central mode.
  • the radio communication module 1 1 performs a connection process; specifically, the Bluetooth transceiver initiates a Bluetooth connection process and scans for Bluetooth slaves. If successful, the access control device 1 and the mobile device 2 or their radio communication modules 1 1 , 2 1 , respectively, establish the direct wireless communication link 3 as a Bluetooth connection.
  • Bluetooth BT
  • the establishment of a connection uses a preceding pairing process
  • Bluetooth Low Energy (BTLE) does not include a pairing process.
  • the controller 1 2 proceeds in step S23 by controlling the radio communication module 1 1 to act as a slave for letting the mobile device 2 establish the direct wireless communication link 3. Specifically, the controller 1 2 sets the Bluetooth transceiver of the radio communication module 1 1 in Bluetooth peripheral mode.
  • step S24 the mobile device 2 or its radio communication module 2 1 , respectively, performs the connection process; specifically, the Bluetooth transceiver of the mobile device 2 initiates a Bluetooth connection process and scans for Bluetooth slaves. If successful, the mobile device 2 and the access control device 1 or their radio communication modules 1 1 , 2 1 , respectively, establish the direct wireless communication link 3 as a Bluetooth paired connection and proceed to step S3.
  • the access control device 2 displays an error message, e.g. indicating to the user that, before repeating the process, the communication module 21 of the mobile device 2 should be activated.
  • the access control device 1 requests the access right server 5 to send to the user of the mobile device 2 a similar error message.
  • the controller 1 2 of the access control device 1 is configured to select, from different types of radio communication module implemented in the access control device 1 , a preferred radio communication module for establishing the direct wireless communication link 3 with the mobile device 2.
  • the controller 1 2 is configured to select the Bluetooth transceiver or the WLAN communication module as described above, or an NFC interface, e.g. implemented in the RFID reader of the proximity detector 1 3 described above.
  • the selection of the preferred radio communication module is performed by the controller 1 2 using a preference table, stored in the access control device 1 , or according to programmable selection rules, defining the priority or order in which the access control device 1 selects the radio communication module for establishing the direct wireless communication link 3 with the mobile device 2.
  • step S3 once the direct wireless communication link 3 is set up between the mobile device 2 and the access control device 1 or their radio communication modules 1 1 , 21 , respectively, the mobile device 2 or its radio communication module 21 , respectively, transfers the access key via the direct wireless communication link 3 to the access control device 1 .
  • the access confirmation module 23 is executed and controls the processor 22 of the mobile device 2 to transfer the access key to the access control device 1 .
  • Execution of the access confirmation module 23 is triggered once the direct wireless communication link 3 is set up between the mobile device 2 and the access control device 1 or their radio communication modules 1 1 , 21 , respectively.
  • execution of the access confirmation module 23 is triggered by the access control device 1 transmitting an execution request via the direct wireless communication link 3 to the mobile device 2.
  • step S33 the mobile device 2 or the access confirmation module 23 requests and receives from the user of the mobile device a confirmation instruction, e.g. prior to or after transferring the access key to the access control device 1 .
  • the access confirmation module 23 generates and displays on a display of the mobile device 2 a graphical user interface, e.g. a "cancel" and an "ok" button, for the user to confirm the intended access to the area controlled by the access control device 1 .
  • the user is required to enter authorization information, such as an access code or password.
  • the access confirmation module 23 uses a fingerprint sensor of the mobile device 2 to receive an affirmative confirmation from the user.
  • step S34 if the user has entered the required confirmation instruction, e.g. by successfully pressing the "ok" button and/or the fingerprint sensor, the access confirmation module 23 generates a confirmation message which, in an embodiment, includes the access key.
  • the confirmation message, and, if included, the access key is transferred from the mobile device 2 via the direct wireless communication link 3 to the access control device 1 .
  • the access key and the confirmation message are transferred to the access control device 1 separately from each other.
  • step S35 access control device 1 or its controller 1 2, respectively, receives the confirmation message from the radio communication module 1 1 via the direct wireless communication link 3.
  • the controller 1 2 extracts the access key from the confirmation message received from the mobile device 1 .
  • Steps S30, S31 , S32 make it possible to load and install the access confirmation module 23 in the mobile device 2, without the need to preload and preinstall the access confirmation module 23 in the mobile device 2, but to load and install the access confirmation module 23 dynamically when the mobile device 2 is detected within defined (close) proximity of the access control device 1 .
  • the controller 1 2 checks whether the Received Signal Strength Indicator (RSSI) indicates a signal strength of the mobile device 2 or its radio communication module 2 1 , respectively, that corresponds to a defined close range C of distance from the access control device 1 , e.g. a maximum distance of mobile device 2 from the access control device 1 of half a meter, one meter, or two meters, e.g. adjustable by setting a distance parameter in the access control device 1 .
  • RSSI Received Signal Strength Indicator
  • step S3 1 the controller 1 2 uses the radio communication module 1 1 to transfer the access confirmation module 23 via the direct wireless communication Iink3 to the mobile device 2.
  • the controller 1 2 may perform the signal strength test of step S30 using the value of the signal strength as measured by and received from the mobile device 2.
  • the controller 1 2 sets the radio communication module 1 1 to an initial first low transmission power, corresponding to a defined close range C of distance from the access control device 1 , where transmissions from the access control device 1 are assumed to by receivable for the mobile device 2. Subsequently, if the access control device 1 does not receive any response from the mobile device 2 within a set response time, the controller 1 2 increases the transmission power to an increased second transmission power, corresponding to an extension of the close range C of distance.
  • the processor 22 of the mobile device 2 receives and executes the access confirmation module 23.
  • the access confirmation module 23 requests from the user of the mobile device 2 a confirmation instruction, e.g. by displaying a respective request on a display of the mobile device 2 asking the user to press a confirmation button and/or place a finger on a finger print sensor, depending on the configuration and/or embodiment.
  • the access confirmation module 23 receives from the user of the mobile device 2 the confirmation instruction, e.g. via a graphical user interface and/or a finger print sensor. If the confirmation is affirmative, e.g. the user pressed the "ok" button or the finger print sensor read and verified the user's finger print as legitimate (authorized), the access confirmation module 23 generates an affirmative confirmation message which, in an embodiment, includes the access key, e.g. in encrypted form as previously received from the access rights server 5.
  • the controller 1 2 and/or the access confirmation module 23 imposes certain conditions that need to be met by the access confirmation module 23 in order for the confirmation message to be transmitted to the access control device 1 or in order for the confirmation message to be accepted by the access control device 1 .
  • the access confirmation module 23 needs to be of a certain type, manufacturer, and/or version number; the access confirmation module 23 needs to be running as a foreground application on the mobile device 2; and/or the access confirmation module 23 needs transmit the confirmation message to the access control device 1 within a defined scanning time after the access control device 1 having initiated connection establishment.
  • the access confirmation module 23 is configured to include in the confirmation message a module identifier that identifies the access confirmation module 23, e.g.
  • the controller 1 2 checks whether the received module identifier identifies an access confirmation module 23 that is supported by the access control device 1 , e.g. whether the received module identifier indicates a supported type, manufacturer, and/or version number of access confirmation module 23.
  • the access confirmation module 23 checks whether it is presently running as a foreground application on the mobile device 2 and either includes the result of this checking in the confirmation message for the controller 1 2 to check, or it does not generate the confirmation message, if the access confirmation module 23 is not presently running as a foreground application on the mobile device 2.
  • the controller 1 2 dynamically adapts the level of the set signal strength threshold for the performing the signal strength test of step S30. For example, the controller 1 2 decreases the set signal strength threshold to a lower value, if it receives confirmation messages from more than one mobile device 2 within a defined scanning time (e.g. a response time window of 200ms).
  • a defined scanning time e.g. a response time window of 200ms.
  • step S4 the controller 1 2 checks and verifies the access key received from the mobile device 2.
  • the controller 1 2 decrypts the received access key and compares the decrypted access key to a verification key stored in the access control device 1 .
  • steps S0-S4 provide an end-to-end encryption of the access key or secret access authorization between the access rights server 5 and the access control device 1 .
  • step S41 if the access key cannot be properly verified, the controller 1 2 uses the radio communication module 1 1 to transfer an error message via the direct wireless communication Iink3 to the mobile device 2.
  • step S42 the processor 22 of the mobile device 2 receives the error message and renders it on the mobile device 2, e.g. by displaying it on a display of the mobile device 2 and/or generating an acoustic alarm on the mobile device 2.
  • step S5 responsive to a positive verification of the received access key, the controller 1 2 generates an access control signal, e.g. in form of an electrical signal or a data value.
  • the access control signal represents an unlock command which is different and distinguishable form a lock command.
  • step S50 the controller 1 2 applies the access control signal to the electronic lock 14, e.g. via an electrical signal line or a data register connected or accessible to the electronic lock 14.
  • step S51 responsive to the access control signal from the controller 1 2, the electronic lock 14 performs an unlocking function, e.g. it drives a bar or bolt to mechanically unlock a door, gate, or the like to clear access through an entrance to an access controlled area, e.g. a building or a room, such as a hotel room.
  • an unlocking function e.g. it drives a bar or bolt to mechanically unlock a door, gate, or the like to clear access through an entrance to an access controlled area, e.g. a building or a room, such as a hotel room.
  • step S52 the electronic lock 14 returns to the controller 1 2 an unlock confirmation or unlocked status signal, e.g. in form of an electrical signal or a data value.
  • step S6 the controller 1 2 determines and defines an access status that corresponds to and reflects the access control signal.
  • the access status indicates an "open" state, corresponding to an unlock command, or a "closed” state, corresponding to a lock command.
  • the controller 1 2 determines and defines the access status using the unlock confirmation or unlocked status signal from the electronic lock 1 4.
  • step S61 the controller 1 2 uses the radio communication module 1 1 to transfer an access status message, which includes the access status, via the direct wireless communication Iink3 to the mobile device 2.
  • step S62 the processor 22 of the mobile device 2 receives the access status message and displays the access status on a display of the mobile device 2.
  • the proximity detector 1 3 comprises, in addition or as an alternative, a capacitive sensor 1 30 configured to detect the presence of a user in a defined proximity P to the electronic access control device 1 , e.g. in a defined proximity P of 0-5 centimeters, e.g. 2-3 centimeters or 2-5 centimeters.
  • the capacitive sensor 1 30 is configured to detect the presence of a user's hand in the defined proximity P to the electronic access control device 1 .
  • the capacitive sensor 1 30 is a Capsense MBR3 sensor from Cypress (Capsense is registered trademark of Cypress Semiconductor Corp.), e.g. a Capsense MBR3 sensor CY8CMBR31 08.
  • the capacitive sensor 1 30 is electrically connected to a metal door handle or to an antenna arranged close to the door handle or a marked area of the entrance to the access controlled area.
  • the controller 1 2 is connected to the proximity detector 1 3 or the capacitive sensor 1 30, respectively, and is further configured to control the radio communication module 1 1 to establish the direct wireless communication link 3 with the mobile device 2, upon detection of the user by the proximity detector 1 3 in the defined proximity P of the electronic access control device 1 .
  • the controller 1 2 is further configured to check and verify, as an additional second condition for establishing the direct wireless communication link 3, that the received signal strength of the mobile device 2, as indicated by the radio communication module 1 1 or a measurement received from the mobile device 2, meets a defined threshold value which indicates that the mobile device 2 is within a defined maximum distance from the access control device 1 .
  • the controller 1 2 is configured to control the radio communication module 1 1 to establish the direct wireless communication link 3 with the mobile device 2, only if the user is detected in a defined proximity of 0-5 centimeters from the electronic access control device 1 and if the received signal strength of the mobile device 2, as indicated by the radio communication module 1 1 , is at or above a defined threshold value that indicates a maximum distance of the mobile device 2 of 0.5 or 1 meter from the access control device 1 .
  • two or more access control devices 1 share one radio communication module 1 1 .
  • the access control devices 1 of two neighboring hotel rooms are connected to a common radio communication module 1 1 which is installed externally to (door-side mounted) housings of the two access control devices 1 , e.g. in the ceiling with approximately equal or at least similar distance to the two access control devices 1 (in a ceiling-side housing) .
  • the external radio communication module 1 1 is connected through a wired connection to the access control devices 1 or their controllers 1 2, respectively.
  • the respective controller 1 2 of that electronic access control device 1 controls the external radio communication module 1 1 to establish a direct wireless communication link 3 with the mobile device 2.
  • the controller 1 2 transmits to the external radio communication module 1 1 a detection signal.
  • the external radio communication module 1 1 establishes a direct wireless communication link 3 with the mobile device 2, regardless of a detection signal from the access control device 1 , while the detection signal enables the external radio communication module 1 1 to identify the particular access control device 1 that effectively detected the mobile device 1 in defined proximity P. Subsequently, operation continues in step S3 as described above with reference to Figures 3 and 5.
  • the external radio communication module 1 1 is connected through the wired connection to one access control device 1 that has two or more antennas 1 31 , whereby each of the antennas 1 31 is associated with a different door or its electronic lock 14, respectively.
  • the controller 12 determines the electronic lock 14 to be opened based on the antenna 131 through which the mobile device 2 was detected by the proximity detector 13 in defined proximity P of the electronic access control device 1 or the particular antenna 1 31 , respectively.
  • the communication between the external radio communication module 1 1 and the mobile device takes place as described above.
EP15730962.6A 2014-06-23 2015-06-18 Elektronische zugangssteuerungsvorrichtung und zugangssteuerungsverfahren Active EP3158541B1 (de)

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US10096185B2 (en) 2018-10-09
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US20170154484A1 (en) 2017-06-01
CA2947627A1 (en) 2015-12-30
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CA2948205C (en) 2022-06-21
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DK3158541T3 (da) 2023-12-04
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JP2017522466A (ja) 2017-08-10
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US10089807B2 (en) 2018-10-02
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CA2948205A1 (en) 2015-12-30
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WO2015197178A1 (en) 2015-12-30
KR102408290B1 (ko) 2022-06-10

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